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v3.25.3

Notes payable and other borrowings (Detail) € in Millions, £ in Millions, $ in Millions, ¥ in Billions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2025 EUR (€) | Sep. 30, 2025 GBP (£) | Sep. 30, 2025 JPY (¥) | Dec. 31, 2024 USD ($)
Berkshire Hathaway Inc. (Parent) [Member] | Berkshire Hathaway Finance Corporation [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings |  | € 4,850 | £ 1,750 | ¥ 2,188 |
Insurance and Other [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 45,617 |  |  |  | $ 44,885
Insurance and Other [Member] | Berkshire Hathaway Inc. (Parent) [Member] | U.S. Dollar Denominated [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 3,547 |  |  |  | 3,749
Weighted average interest rate, percentage | 3.50% | 3.50% | 3.50% | 3.50% |
Insurance and Other [Member] | Berkshire Hathaway Inc. (Parent) [Member] | U.S. Dollar Denominated [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2026 |  |  |  |
Insurance and Other [Member] | Berkshire Hathaway Inc. (Parent) [Member] | U.S. Dollar Denominated [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2047 |  |  |  |
Insurance and Other [Member] | Berkshire Hathaway Inc. (Parent) [Member] | Euro Denominated [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 4,196 |  |  |  | 4,733
Weighted average interest rate, percentage | 1.40% | 1.40% | 1.40% | 1.40% |
Insurance and Other [Member] | Berkshire Hathaway Inc. (Parent) [Member] | Euro Denominated [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2027 |  |  |  |
Insurance and Other [Member] | Berkshire Hathaway Inc. (Parent) [Member] | Euro Denominated [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2041 |  |  |  |
Insurance and Other [Member] | Berkshire Hathaway Inc. (Parent) [Member] | Japanese Yen Denominated [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 14,757 |  |  |  | 12,609
Weighted average interest rate, percentage | 1.10% | 1.10% | 1.10% | 1.10% |
Insurance and Other [Member] | Berkshire Hathaway Inc. (Parent) [Member] | Japanese Yen Denominated [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2025 |  |  |  |
Insurance and Other [Member] | Berkshire Hathaway Inc. (Parent) [Member] | Japanese Yen Denominated [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2060 |  |  |  |
Insurance and Other [Member] | Subsidiaries [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 3,544 |  |  |  | 4,564
Short-term debt | $ 1,320 |  |  |  | 1,315
Weighted average interest rate, percentage | 5.10% | 5.10% | 5.10% | 5.10% |
Short-term borrowings, weighted average interest rate | 6.10% | 6.10% | 6.10% | 6.10% |
Insurance and Other [Member] | Subsidiaries [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2025 |  |  |  |
Insurance and Other [Member] | Subsidiaries [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2051 |  |  |  |
Insurance and Other [Member] | Subsidiaries [Member] | U.S. Dollar Denominated [Member] | Berkshire Hathaway Finance Corporation [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 14,473 |  |  |  | 14,469
Weighted average interest rate, percentage | 3.60% | 3.60% | 3.60% | 3.60% |
Insurance and Other [Member] | Subsidiaries [Member] | U.S. Dollar Denominated [Member] | Berkshire Hathaway Finance Corporation [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2027 |  |  |  |
Insurance and Other [Member] | Subsidiaries [Member] | U.S. Dollar Denominated [Member] | Berkshire Hathaway Finance Corporation [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2052 |  |  |  |
Insurance and Other [Member] | Subsidiaries [Member] | Euro Denominated [Member] | Berkshire Hathaway Finance Corporation [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 1,462 |  |  |  | 1,290
Weighted average interest rate, percentage | 1.80% | 1.80% | 1.80% | 1.80% |
Insurance and Other [Member] | Subsidiaries [Member] | Euro Denominated [Member] | Berkshire Hathaway Finance Corporation [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2030 |  |  |  |
Insurance and Other [Member] | Subsidiaries [Member] | Euro Denominated [Member] | Berkshire Hathaway Finance Corporation [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2034 |  |  |  |
Insurance and Other [Member] | Subsidiaries [Member] | Great Britain Pound Denominated [Member] | Berkshire Hathaway Finance Corporation [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 2,318 |  |  |  | 2,156
Weighted average interest rate, percentage | 2.50% | 2.50% | 2.50% | 2.50% |
Insurance and Other [Member] | Subsidiaries [Member] | Great Britain Pound Denominated [Member] | Berkshire Hathaway Finance Corporation [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2039 |  |  |  |
Insurance and Other [Member] | Subsidiaries [Member] | Great Britain Pound Denominated [Member] | Berkshire Hathaway Finance Corporation [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2059 |  |  |  |
Railroad, Utilities and Energy [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 81,626 |  |  |  | 79,877
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Berkshire Hathaway Energy ("BHE") [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate, percentage | 4.40% | 4.40% | 4.40% | 4.40% |
Senior unsecured debt | $ 11,460 |  |  |  | 13,107
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Berkshire Hathaway Energy ("BHE") [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2028 |  |  |  |
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Berkshire Hathaway Energy ("BHE") [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2053 |  |  |  |
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Berkshire Hathaway Energy Subsidiaries [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 44,943 |  |  |  | 42,150
Weighted average interest rate, percentage | 4.80% | 4.80% | 4.80% | 4.80% |
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Berkshire Hathaway Energy Subsidiaries [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2025 |  |  |  |
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Berkshire Hathaway Energy Subsidiaries [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2064 |  |  |  |
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Berkshire Hathaway Energy and Subsidiaries [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Short-term debt | $ 1,719 |  |  |  | 1,123
Short-term borrowings, weighted average interest rate | 4.70% | 4.70% | 4.70% | 4.70% |
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Burlington Northern Santa Fe ("BNSF") and subsidiaries [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable and other borrowings | $ 23,504 |  |  |  | $ 23,497
Weighted average interest rate, percentage | 4.80% | 4.80% | 4.80% | 4.80% |
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Burlington Northern Santa Fe ("BNSF") and subsidiaries [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2025 |  |  |  |
Railroad, Utilities and Energy [Member] | Subsidiaries [Member] | Burlington Northern Santa Fe ("BNSF") and subsidiaries [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt maturity year | 2097 |  |  |  |

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